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liverleaf wintergreen, pink wintergreen

leafless wintergreen

Habit Plants 10–45 cm; rhizomatous. Plants non-photosynthetic, 5–40 cm; rhizomatous.
Leaves

ovate, elliptic; round or reniform, 15–75 × 10–55 mm, not mottled, abaxially dull and light green to purplish, adaxially shiny and dark green; leathery;

margins entire or crenulate or denticulate;

tips obtuse to acute;

petioles 10–80 mm, glabrous.

reduced or absent.

Inflorescences

1 per stem, 4–29-flowered;

bracts ovate to oblong-ovate, 3–15 × 1–3.5 mm.

1–2, 4–25-flowered;

inflorescence bracts awl-shaped to ovate-lanceolate, 3.5–5 × 2–3 mm.

Pedicels

3–12 mm.

3–16 mm.

Flowers

sepals triangular to triangular-ovate, 1.5–5.5 × 1–3 mm; length > width, green or pinkish with thin white to pinkish margins;

margins entire to denticulate;

tips acute;

corollas spreading;

petals obovate to round, 4.5–9.0 × 3–6 mm, white to pink or purplish red;

margins entire;

stamens 4–7.5 mm;

anthers 2–4 mm;

styles exserted; bent sideways to downward, 7–10 mm;

stigmas ~1 mm wide; without subtending ring of hairs.

sepals deltate to ovate, 1–3 mm, usually fused 50% of their length;

margins entire or denticulate;

tips acute;

corollas spreading;

petals obovate, 4–10 × 3–6 mm, white to pink;

margins entire to denticulate;

stamens 5–9 mm;

anthers 2–5 mm;

styles exserted; bent sideways to downward, 4–9 mm;

stigmas 1–1.5 mm.

Fruits

depressed-globose, 4–8 mm.

depressed-globose, 4–8 mm.

2n

=46.

=46.

Pyrola asarifolia

Pyrola aphylla

Distribution
[WildflowerSearch map]
[BONAP county map]
[WildflowerSearch map]
Discussion

Asia, North America. 3 subspecies; 2 subspecies treated in Flora.

Coniferous forests. Flowering May–Aug. 0–2100 m. BR, BW, Casc, CR, ECas, Sisk, WV. CA, WA; north to British Columbia, south to Mexico. Native.

Previously considered conspecific with P. picta, this species was recently shown to be phylogenetically differentiated by Jolles and Wolfe (2012).

Source Flora of Oregon, volume 2, page 634
Stephen Meyers
Flora of Oregon, volume 2, page 634
Stephen Meyers
Sibling taxa
P. aphylla, P. chlorantha, P. minor, P. picta
P. asarifolia, P. chlorantha, P. minor, P. picta
Subordinate taxa
P. asarifolia ssp. asarifolia, P. asarifolia ssp. bracteata
Web links